<template>
  <el-dialog
    :title="!dataForm.id ? '新增' : '修改'"
    :close-on-click-modal="false"
    :visible.sync="visible">
    <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" label-width="80px">
      <el-form-item label="角色名称" prop="roleName">
        <el-input v-model="dataForm.roleName" placeholder="角色名称"></el-input>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
      </el-form-item>
      <el-form-item size="mini" label="授权">
        <el-tree
          :data="menuList"
          :props="menuListTreeProps"
          node-key="menuId"
          ref="menuListTree"
          :default-expand-all="true"
          show-checkbox>
        </el-tree>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
    </span>
  </el-dialog>
</template>

<script>
  import { treeDataTranslate } from '@/utils'
  import { roleSave , roleUpdate , roleById } from '@/api/role'
  import { menuList } from '@/api/menu'
  export default {
    data () {
      return {
        visible: false,
        menuList: [],
        menuListTreeProps: {
          label: 'name',
          children: 'children'
        },
        dataForm: {
          id: 0,
          roleName: '',
          remark: ''
        },
        dataRule: {
          roleName: [
            { required: true, message: '角色名称不能为空', trigger: 'blur' }
          ]
        },
        tempKey: -666666 // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
      }
    },
    methods: {
      init (id) {
        this.dataForm.id = id || 0
        menuList().then((res)=>{
          if(res.code=='0000'){
            this.menuList = treeDataTranslate(res.responseData, 'menuId')
            this.visible = true
          }
        }).then((res)=>{
          this.$nextTick(() => {
            this.$refs['dataForm'].resetFields()
            this.$refs.menuListTree.setCheckedKeys([])
          })
        }).then((res)=>{
          if(this.dataForm.id!=0 && this.dataForm.id!=undefined){
            const roleRequest={
              roleId:this.dataForm.id
            }
            roleById(roleRequest).then((data)=>{
              if(data.code=='0000'){
                this.dataForm.roleName = data.responseData.roleName
                this.dataForm.remark = data.responseData.remark
                var idx = data.responseData.menuIdList.indexOf(this.tempKey)
                if (idx !== -1) {
                  data.responseData.menuIdList.splice(idx, data.responseData.menuIdList.length - idx)
                }
                this.$refs.menuListTree.setCheckedKeys(data.responseData.menuIdList)
              }
            }).catch((err)=>{

            })
          }
        })
      },
      // 表单提交
      dataFormSubmit () {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            const requestData={
              'roleId': this.dataForm.id || undefined,
              'roleName': this.dataForm.roleName,
              'remark': this.dataForm.remark,
              'menuIdList': [].concat(this.$refs.menuListTree.getCheckedKeys(), [this.tempKey], this.$refs.menuListTree.getHalfCheckedKeys())
            }
            if(this.dataForm.id==0 || this.dataForm.id==undefined){
              roleSave(requestData).then((res)=>{
                 if(res.code=='0000'){
                   this.$message({
                     message: '操作成功',
                     type: 'success',
                     duration: 1500,
                     onClose: () => {
                       this.visible = false
                       this.$emit('refreshDataList')
                     }
                   })
                 }
              }).catch((err)=>{
                this.$message.error(data.msg)
              })
            }else{
              roleUpdate(requestData).then((res)=>{
                if(res.code=='0000'){
                  this.$message({
                    message: '操作成功',
                    type: 'success',
                    duration: 1500,
                    onClose: () => {
                      this.visible = false
                      this.$emit('refreshDataList')
                    }
                  })
                }
              }).catch((err)=>{
                this.$message.error(data.msg)
              })
            }
          }
        })
      }
    }
  }
</script>
